Full-length, interlocking meeting rails add structural integrity to both the primary and secondary sash components, and contain multiple layers of pile weatherstripping to reduce air and water infiltration.

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Virtual Sound Lab

Explaining acoustic engineering and sound control design theories to your clients can be a daunting task. Let us help simplify it for you through our Virtual Sound Lab. We’ve created an algorithm that allows your clients to “hear” the sound control they can expect at various performance levels. Try it out for yourself.